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Dakota Stiles was found alone in the pool July 12. He was taken to a hospital, where he was pronounced dead.

Indian River County Sheriff's Office investigators questioned the boy's mother immediately after the drowning, but they never arrested her.

According to the warrant affidavit, Stiles failed to secure the pool area from Dakota's access, despite the fact that the boy had a history of wandering. As well, a piece of cardboard covering a window in the bedroom was all that separated Dakota from the pool.

Indian River County Sheriff's Office

Stiles and her husband told investigators that they couldn't afford to repair the window, even though the house had a large screen television with cable, a video game system and a computer.

According to the report, the Department of Children and Families recommended securing the pool area and offered services free of charge, but the Stiles family didn't reply to or accept the offer.

The report also stated that Dakota couldn't swim, even though he had access to a pool without supervision.

A toxicology report also revealed that Stiles had hydrocodone and possible opiates in her bloodstream on the day of the drowning, although she told investigators that she hadn't used any drugs.